KeLing Purification Technology Company Limited 


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Heat Resistant HEPA Filter Box For Clean Room Air Terminal / Laminar Flow Diffuser

China KeLing Purification Technology Company certification
China KeLing Purification Technology Company certification
Customer Reviews
Keling had successfully supplied us following products on 25 Oct.2017 against PO NO.M170807; Their supplied Air Filters have been working satisfactorily since installation.We are satisfied with their products.


Since we do coopertae with them, they always offer good quality and keep the delivery on time to us, we do appreicated for their kind support !

—— Nasir

This is to certify that we bought U type air shower tunnel, Air Shower and HEPA filter, Secondary air filter ,perfilter for our project from KeLing Purification Technology Co. Ltd, 3C01 Tian Feng Commerce Square, Mid Building, No. 133, Baiyun AV, Baiyun Disctrict , Guangzhou , GuangDong, China against Contract No: 2014/4119005942 in October 22, 201

—— IATEC,Argentina

Product arrived faster than expected and they sent something special in addition to what I ordered. Nice people and fast service!

—— Mohammed Saad

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Heat Resistant HEPA Filter Box For Clean Room Air Terminal / Laminar Flow Diffuser

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Large Image :  Heat Resistant HEPA Filter Box For Clean Room Air Terminal / Laminar Flow Diffuser

Product Details:
Place of Origin: China
Brand Name: KELING
Certification: CE
Model Number: KEL-HUB Series
Payment & Shipping Terms:
Minimum Order Quantity: 1 SET
Price: Negotiation
Packaging Details: Polywood packing
Delivery Time: 7-15 working days
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 1000 Sets per month
Detailed Product Description
Features: Air Diffuser With HEPA Filter Name: Laminar Airflow HEPA Diffuser
Material: SS304 , Cold-rolled Plate Dimension: Customized
Air Filter: HEPA/ULPA Air Unit Application: Cleanroom
Start Port: Guangzhou, Shenzhen Warranty: 2 Years
High Light:

hepa filter unit


duct filter box

High Efficiency Ceiling And Wall Laminar Airflow HEPA Diffuser For Cleanroom




Company Information

Our factory with competitive price
Automatic production line.
Nearly 20 years experience in cleanroom industry.
We are an expert in providing customized solutions.
Timely delivery with perfect quality.
Fortune 500 companies’ choice.
Have passed ISO9001.2008 certification.


Product Features
Installs flush to the ceiling as a single, fully gasketed module – no field assembly required
180° & 90° radial patterns available for design flexibility
Unique, manually adjustable pattern controller to “fine tune” pattern based on design air flow rate, cooling differential, and application
Filter interface includes knife edge into filter gel seals for zero leak performance
DOP, pressure ports, and an aerosol injection tube system simplify field verification and certification
Removable face via 1/4 turn fasteners for cleaning
Face is hinged and swings down 90° for easy cleaning. Safety cables prevent face from accidentally swinging down.
Closed cell gasket prevents leakage around face


1. Unique curved face design is pleasing to the eye.
No unsightly sharp angles.
2. Engineered design and performance are the result
of extensive laboratory design and testing.
Standard DG model has a true 180° radial air pattern.
Model DG has a 90° radial pattern for perimeter
3. The face of the diffuser is attached to the plenum
with two stainless steel hinges. The opposite side
is secured with 1/4 turn fasteners.
4. The diffuser face simply hinges down for easy
access to the interior for cleaning and sanitation.
5. Type 304 stainless steel perforated face has 3/32"
(2.4) dia. holes on 60 degree 1/4" (6) staggered
centers (13% free area).
6.316 Stainless Steel construction.
7. HE HEPA Filter (99.99% on 0.3 μm).
8. UL ULPA Filter (99.9995% on 0.12 μm).
9. AW Appliance White finish.
10. Clear anodized extruded aluminum filter frame with
a test port for damper adjustment. filter pressure
drop measurement or to perform leakage (scan)


Basic Info:


Product Name Pass Box/ Pass Thru/ Pass Thru Box
Material SUS304,SUS201,SS304, Cold rolled plate
Size Customized
Delivery Time 7-15 working days
Shipping Port Guangzhou, Shenzhen, Shanghai
Warranty 2 years
Packing Polywood packing
Payment T/T,L/C, West Union, D/P, Cash



Technical Parameter:


Model Install size Filter size Flange size Air flow
Tube on top/side (BXAXH)mm (H13) (mm) M3/h
KEL-320 390x390x380 320X320X96 200x200/Ø300 500
KEL-484 554x554x380 484X484X96 200x320/Ø300 1000
KEL-610 680x680x380 610X610X96 200x400/Ø300 1500
KEL-915 680x985x380 610X915X96 200x500/Ø300 2000
KEL-1220 680x1290x380 610x1220x96 300x500/Ø300 3000

Customized design is available.


Heat Resistant HEPA Filter Box For Clean Room Air Terminal / Laminar Flow Diffuser 0


Heat Resistant HEPA Filter Box For Clean Room Air Terminal / Laminar Flow Diffuser 1




Contact Details
KeLing Purification Technology Company

Contact Person: sanny7301

Tel: +8613378693703

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